title: The Chobot site (Alberta, Canada) cannot provide evidence of a cosmic impact 12,800 y ago.
authors.affiliation: Institute of Prairie Archaeology, Department of Anthropology, University of Alberta, Edmonton, Alberta, Canada T6G 2H4.
authors.forename: John W
authors.initials: JW
authors.lastname: Ives
authors.forename: Duane
authors.initials: D
authors.lastname: Froese
mesh_terms: D005844:Geology / Q000379:methods*; D019110:Meteoroids; D018543:Minor Planets